So, I need to install OUnit2 and I'm on a 2015 MacBook Pro running MacOS Monterey 12.6. I have homebrew, I have Ocaml, I have opam. Dune is one of Ounit2's dependencies, so obviously I need it to have OUnit2. However, this is what I get:

$ opam install ounit
The following actions will be performed:
  ∗ install dune         3.6.1 [required by ounit2]
  ∗ install stdlib-shims 0.3.0 [required by ounit2]
  ∗ install ounit2       2.2.6 [required by ounit]
  ∗ install ounit        2.2.6
===== ∗ 4 =====
Do you want to continue? [Y/n] y

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